Fast food workers protest

New York City

Police monitor protesters demanding higher wages and unionization for fast food workers march near Times Square in New York City, Sept. 4, 2014. Protests are planned in more than 100 cities throughout the U.S. today, as workers demand higher wages.

Credit: Andrew Burton/Getty Images

Las Vegas

Chicago

Police arrest demonstrators who were protesting for an increase in wages for fast food workers and home care workers after they staged a sit-in on 87th Street during the morning rush hour in Chicago, Ill., Sept. 4, 2014. About two dozen protestors were arrested at the demonstration.

Credit: Scott Olson/Getty Images

Chicago

McDonald's restaurant employee Brian Stepney protests for an increase in wages for fast food and home care workers during a demonstration in Chicago, Sept. 4, 2014.

Credit: Scott Olson/Getty Images

Chicago

Protesters demonstrate at a rally outside a Burger King in Chicago as labor organizers escalate their campaign to unionize the industry's workers, Sept. 4, 2014. Hundreds of workers from Burger King, McDonald's, Taco Bell, Wendy's and other fast-food chains are expected to walk off their jobs Thursday, according to labor organizers of the latest national protest to push the companies to pay their employees at least $15 an hour.

Credit: M. Spencer Green/AP

Atlanta

A protestor stands outside a Burger King restaurant in Atlanta, Ga., during a rally demanding workers be paid a minimum of $15 per hour, Thursday, Sept. 4, 2014.

Credit: David Goldman/AP

Philadelphia

A fast-food worker chants slogans before being detained by police during a protest to push fast-food chains to pay their employees at least $15 an hour, outside a McDonald's restaurant in Philadelphia, Pa., Sept. 4, 2014.

Credit: Matt Rourke/AP

Detroit

Protesters block traffic on Mack Avenue in Detroit as part of a national protest to push fast-food chains to pay their employees at least $15 an hour, Sept. 4, 2014.

Credit: Paul Sancya/AP

New York City

Protesters picket in front of a McDonald's restaurant on 42nd Street in New York's Times Square as police officers move in to begin making arrests, Sept. 4, 2014.